2021 CAP Virtual Congress / Congrès virtuel de l'ACP 2021

(I) de Sitter space in string landscape

9 Jun 2021, 11:45

5m

Underline Conference System

Invited Speaker / Conférencier(ère) invité(e) Theoretical Physics / Physique théorique (DTP-DPT) W1-2 Fields and Strings I (DTP) / Champs et cordes I (DPT)

Speaker

Prof. Keshav Dasgupta

Description

In this talk I will discuss how one may view four-dimensional de Sitter space as a coherent Glauber-Sudarshan state in string theory. I will also discuss why a de Sitter space cannot exist as a vacuum state in string theory.